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Old 08/30/2018, 01:45 PM   #1
Somrschool
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Join Date: Aug 2007
Location: WV
Posts: 111
Question Restarting a tank: spring water parameter questions

Sorry to ask this, but the new search engine isn't working for me. We've been out of the hobby (freshies, but no reef) for about 10 years, and have moved to a farmhouse that uses spring water.

Question: what parameters do I need to check/correct for using spring water?

I know copper is right out; will test for it.

The water is calcified, which I see as a good thing, right? Saves me from needing a CA reactor? KH is 161 ppm and GH is 179 ppm.

What about nitrates? They tested today at 10 ppm. If that's a problem, can I correct for them? How? RO/DI?

Our water pH is around 7.5-8 out of the tap.


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Marcia

Current Tank Info: Planning a 2-sided build in the future; nothing right now, sadly.
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Old 08/30/2018, 06:27 PM   #2
bertoni
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That's a tough question. In practice, I would run RO/DI, and make sure that the TDS was zero. There are a number of possible toxic contaminants in spring water, and it's not practical to test for them all, price-wise. Also, run-off might vary during the year, which could lead to varying parameters in the spring, depending on how it's fed.


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Old 08/30/2018, 06:37 PM   #3
Somrschool
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Thanks, Jonathan, for the rely!

All true... so, about nitrates. Will the RO/DI take them out?


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Old 08/30/2018, 07:18 PM   #4
bertoni
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Yes, definitely. It might tend to let some silicate though, but that's generally not a problem, and there are special silica cartridges, if you are worried.


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